Compact medical oxygen concentrator

- Greene & Kellogg, Inc.
Skip to: Description  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a perspective view of a compact medical oxygen concentrator embodying my new design, showing the front, top, and right side thereof;

FIG. 2 is a perspective view of the device of FIG. 1 showing rear, top, and left side thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a left side elevational view thereof; and

FIG. 7 is a top plan view thereof.

The broken lines are shown for illustrative purposes only.

Referenced Cited
U.S. Patent Documents
RE29613 April 18, 1978 Kropfhammer
D205573 August 1966 Stevens et al.
D205574 August 1966 Stevens et al.
D215982 November 1969 Wise et al.
D263337 March 9, 1982 Hart et al.
4157092 June 5, 1979 Fare et al.
Patent History
Patent number: D273717
Type: Grant
Filed: Aug 28, 1981
Date of Patent: May 1, 1984
Assignee: Greene & Kellogg, Inc. (Tonawanda, NY)
Inventor: Norman R. McCombs (Tonawanda, NY)
Primary Examiner: Bernard Ansher
Law Firm: Browdy & Neimark
Application Number: 6/297,362
Classifications
Current U.S. Class: D29/06; D24/11